@misc{indiciae812e2004cb7b,
  title = {Hydrogeologic atlas, Finksburg quadrangle, Carroll County, Maryland},
  author = {James Frank Williams and John T. Hilleary and E. G. Otton},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/70047528},
  note = {Source identifier: 70047528}
}